Climatological Report (Daily)
Issued by NWS
Issued by NWS
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017 CDUS46 KMTR 180826 CLIAPC CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 126 AM PDT WED SEP 18 2024 ................................... ...THE NAPA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 2024... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1998 TO 2024 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 68 2:40 PM 94 2000 80 -12 78 MINIMUM 54 11:17 PM 42 2006 51 3 61 AVERAGE 61 66 -5 70 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 0.00 0.01 SINCE OCT 1 19.88 29.52 SINCE JAN 1 13.84 21.10 DEGREE DAYS HEATING YESTERDAY 4 0 MONTH TO DATE 12 0 SINCE SEP 1 12 0 SINCE JUL 1 25 8 COOLING YESTERDAY 0 5 MONTH TO DATE 36 42 SINCE SEP 1 36 42 SINCE JAN 1 337 315 ................................................................... WIND (MPH) RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (220) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (190) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (190) AVERAGE WIND SPEED 8.3 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.5 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 90 10:00 PM LOWEST 61 2:00 PM AVERAGE 76 .......................................................... THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 80 98 2016 MINIMUM TEMPERATURE (F) 51 38 2008 SUNRISE AND SUNSET SEPTEMBER 18 2024.....SUNRISE 6:54 AM PDT SUNSET 7:11 PM PDT SEPTEMBER 19 2024.....SUNRISE 6:55 AM PDT SUNSET 7:10 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$